Respiratory System Flashcard

Front

What is the function of the trachea?

Back

To carry air to the lungs.

Front

Which of the following is NOT a function of the nasal cavity?

Back

Gas exchange.

Front

Which of the following is NOT a function of the diaphragm?

Back

Pumping blood to the lungs.

Front

What is the primary function of the alveoli?

Back

To exchange gases.

Front

What happens to the diaphragm during exhalation?

Back

It relaxes.

Front

What is the role of the respiratory system?

Back

To facilitate gas exchange between the body and the environment.

Front

What is the main muscle involved in breathing?

Back

The diaphragm.

Front

What is the purpose of mucus in the respiratory system?

Back

To trap dust, pathogens, and other particles.

Front

What are the tiny air sacs in the lungs called?

Back

Alveoli.

Front

What is the process of inhalation?

Back

The diaphragm contracts, increasing thoracic cavity volume and drawing air into the lungs.